<li class="nav-header">
    <div class="dropdown profile-element"> <span>
            <img alt="image" width="70" height="70" class="img-circle" src="" />
        </span>
        <a data-toggle="dropdown" class="dropdown-toggle" href="index.html#">
            <span class="clear"> <span class="block m-t-xs"> <strong class="font-bold">{:session('name')}</strong>
                </span> <span class="text-muted text-xs block">{$group_name}<b class="caret"></b></span> </span> 
        </a>
        <ul class="dropdown-menu animated fadeInRight m-t-xs">
            <li><a href="{:U('Public/logout')}">退出</a></li>
        </ul>
    </div>
    <div class="logo-element">
        行家
    </div>
</li>